EP0334516A3 - Method for enhancing the unrolling of a rolled matrix device - Google Patents

Method for enhancing the unrolling of a rolled matrix device Download PDF

Info

Publication number
EP0334516A3
EP0334516A3 EP19890302385 EP89302385A EP0334516A3 EP 0334516 A3 EP0334516 A3 EP 0334516A3 EP 19890302385 EP19890302385 EP 19890302385 EP 89302385 A EP89302385 A EP 89302385A EP 0334516 A3 EP0334516 A3 EP 0334516A3
Authority
EP
European Patent Office
Prior art keywords
unrolling
enhancing
matrix device
rolled
rolled matrix
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19890302385
Other languages
German (de)
French (fr)
Other versions
EP0334516A2 (en
Inventor
Loreen Ann Fournier
Jeelin Lo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Inc
Original Assignee
Pfizer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of EP0334516A2 publication Critical patent/EP0334516A2/en
Publication of EP0334516A3 publication Critical patent/EP0334516A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0068—Rumen, e.g. rumen bolus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Nutrition Science (AREA)
  • Physiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Coating Apparatus (AREA)

Abstract

A method for enhancing the unrolling of an active agent-containing matrix device, including a laminate device, in an aqueous use environment, said device being constrained in a rolled configuration prior to placement in said environment, comprising subjecting the device to an annealing step prior to constraining it in a rolled configuration; and the devices so treated.
EP19890302385 1988-03-21 1989-03-10 Method for enhancing the unrolling of a rolled matrix device Withdrawn EP0334516A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17049588A 1988-03-21 1988-03-21
US170495 1988-03-21

Publications (2)

Publication Number Publication Date
EP0334516A2 EP0334516A2 (en) 1989-09-27
EP0334516A3 true EP0334516A3 (en) 1991-07-03

Family

ID=22620075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890302385 Withdrawn EP0334516A3 (en) 1988-03-21 1989-03-10 Method for enhancing the unrolling of a rolled matrix device

Country Status (9)

Country Link
EP (1) EP0334516A3 (en)
JP (1) JPH01277556A (en)
AU (1) AU3150889A (en)
BR (1) BR8901285A (en)
DK (1) DK135089A (en)
HU (1) HUT55986A (en)
IL (1) IL89613A0 (en)
PT (1) PT90038A (en)
ZA (1) ZA892090B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4861596A (en) * 1988-03-21 1989-08-29 Pfizer Inc. Rolled matrix device having enhanced ability to unroll and method for its production
US5411737A (en) * 1991-10-15 1995-05-02 Merck & Co., Inc. Slow release syneresing polymeric drug delivery device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788322A (en) * 1972-12-27 1974-01-29 Alza Corp Drug delivery device with means for maintaining device in environment of use
FR2393576A1 (en) * 1977-06-09 1979-01-05 Beecham Group Ltd DEVICE PROVIDING SUSTAINED RELEASE OF A MEDICINAL PRODUCT
EP0153070A2 (en) * 1984-02-08 1985-08-28 Pfizer Inc. Laminate device for controlled and prolonged release of substances to an ambient environment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788322A (en) * 1972-12-27 1974-01-29 Alza Corp Drug delivery device with means for maintaining device in environment of use
FR2393576A1 (en) * 1977-06-09 1979-01-05 Beecham Group Ltd DEVICE PROVIDING SUSTAINED RELEASE OF A MEDICINAL PRODUCT
EP0153070A2 (en) * 1984-02-08 1985-08-28 Pfizer Inc. Laminate device for controlled and prolonged release of substances to an ambient environment

Also Published As

Publication number Publication date
DK135089A (en) 1989-09-22
JPH01277556A (en) 1989-11-08
PT90038A (en) 1989-11-10
AU3150889A (en) 1989-09-21
BR8901285A (en) 1989-11-07
ZA892090B (en) 1991-12-24
DK135089D0 (en) 1989-03-20
EP0334516A2 (en) 1989-09-27
IL89613A0 (en) 1989-09-10
HUT55986A (en) 1991-07-29

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Effective date: 19930301